2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-algo-bit.h>
25 #include <linux/kdev_t.h>
27 #include <media/v4l2-device.h>
28 #include <media/tuner.h>
29 #include <media/tveeprom.h>
30 #include <media/videobuf-dma-sg.h>
31 #include <media/videobuf-dvb.h>
33 #include "btcx-risc.h"
34 #include "cx23885-reg.h"
35 #include "media/cx2341x.h"
37 #include <linux/version.h>
38 #include <linux/mutex.h>
40 #define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 2)
44 #define CX23885_MAXBOARDS 8
46 /* Max number of inputs by card */
47 #define MAX_CX23885_INPUT 8
48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
49 #define RESOURCE_OVERLAY 1
50 #define RESOURCE_VIDEO 2
51 #define RESOURCE_VBI 4
53 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
55 #define CX23885_BOARD_NOAUTO UNSET
56 #define CX23885_BOARD_UNKNOWN 0
57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
58 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
59 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
62 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
63 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
64 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
65 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
70 #define CX23885_BOARD_TBS_6920 14
71 #define CX23885_BOARD_TEVII_S470 15
72 #define CX23885_BOARD_DVBWORLD_2005 16
73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
74 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
75 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
76 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
77 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
78 #define CX23885_BOARD_MYGICA_X8506 22
80 #define GPIO_0 0x00000001
81 #define GPIO_1 0x00000002
82 #define GPIO_2 0x00000004
83 #define GPIO_3 0x00000008
84 #define GPIO_4 0x00000010
85 #define GPIO_5 0x00000020
86 #define GPIO_6 0x00000040
87 #define GPIO_7 0x00000080
88 #define GPIO_8 0x00000100
89 #define GPIO_9 0x00000200
91 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
92 #define CX23885_NORMS (\
93 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
94 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
95 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
96 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
100 u32 fourcc; /* v4l2 format id */
106 struct cx23885_ctrl {
107 struct v4l2_queryctrl v;
114 struct cx23885_tvnorm {
122 struct cx23885_dev *dev;
123 enum v4l2_buf_type type;
128 struct v4l2_window win;
129 struct v4l2_clip *clips;
133 struct cx23885_fmt *fmt;
134 unsigned int width, height;
137 struct videobuf_queue vidq;
138 struct videobuf_queue vbiq;
140 /* MPEG Encoder specifics ONLY */
141 struct videobuf_queue mpegq;
142 atomic_t v4l_reading;
146 CX23885_VMUX_COMPOSITE1 = 1,
147 CX23885_VMUX_COMPOSITE2,
148 CX23885_VMUX_COMPOSITE3,
149 CX23885_VMUX_COMPOSITE4,
151 CX23885_VMUX_TELEVISION,
158 enum cx23885_src_sel_type {
159 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
160 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
163 /* buffer for one video frame */
164 struct cx23885_buffer {
165 /* common v4l buffer stuff -- must be first */
166 struct videobuf_buffer vb;
168 /* cx23885 specific */
170 struct btcx_riscmem risc;
171 struct cx23885_fmt *fmt;
175 struct cx23885_input {
176 enum cx23885_itype type;
178 u32 gpio0, gpio1, gpio2, gpio3;
182 CX23885_MPEG_UNDEFINED = 0,
184 CX23885_ANALOG_VIDEO,
185 CX23885_MPEG_ENCODER,
188 struct cx23885_board {
190 port_t porta, portb, portc;
191 unsigned int tuner_type;
192 unsigned int radio_type;
193 unsigned char tuner_addr;
194 unsigned char radio_addr;
196 /* Vendors can and do run the PCIe bridge at different
197 * clock rates, driven physically by crystals on the PCBs.
198 * The core has to accomodate this. This allows the user
199 * to add new boards with new frequencys. The value is
202 * The core framework will default this value based on
203 * current designs, but it can vary.
206 struct cx23885_input input[MAX_CX23885_INPUT];
207 int cimax; /* for NetUP */
210 struct cx23885_subid {
217 struct cx23885_dev *dev;
222 struct i2c_adapter i2c_adap;
223 struct i2c_algo_bit_data i2c_algo;
224 struct i2c_client i2c_client;
227 /* 885 registers used for raw addess */
236 struct cx23885_dmaqueue {
237 struct list_head active;
238 struct list_head queued;
239 struct timer_list timeout;
240 struct btcx_riscmem stopper;
244 struct cx23885_tsport {
245 struct cx23885_dev *dev;
250 struct videobuf_dvb_frontends frontends;
253 struct cx23885_dmaqueue mpegq;
269 u32 reg_bd_pkt_status;
271 u32 reg_fifo_ovfl_stat;
278 /* Default register vals */
288 /* Allow a single tsport to have multiple frontends */
292 /* FIXME: temporary hack */
293 int (*set_frontend_save) (struct dvb_frontend *,
294 struct dvb_frontend_parameters *);
298 struct list_head devlist;
300 struct v4l2_device v4l2_dev;
304 unsigned char pci_rev, pci_lat;
305 int pci_bus, pci_slot;
311 /* This valud is board specific and is used to configure the
312 * AV core so we see nice clean and stable video and audio. */
315 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
316 struct cx23885_i2c i2c_bus[3];
325 struct cx23885_tsport ts1, ts2;
327 /* sram configuration */
328 struct sram_channel *sram_channels;
331 CX23885_BRIDGE_UNDEFINED = 0,
332 CX23885_BRIDGE_885 = 885,
333 CX23885_BRIDGE_887 = 887,
341 unsigned int tuner_type;
342 unsigned char tuner_addr;
343 unsigned int radio_type;
344 unsigned char radio_addr;
345 unsigned int has_radio;
346 struct v4l2_subdev *sd_cx25840;
350 struct video_device *video_dev;
351 struct video_device *vbi_dev;
352 struct video_device *radio_dev;
354 struct cx23885_dmaqueue vidq;
355 struct cx23885_dmaqueue vbiq;
358 /* MPEG Encoder ONLY settings */
360 struct cx2341x_mpeg_params mpeg_params;
361 struct video_device *v4l_device;
362 atomic_t v4l_reader_count;
363 struct cx23885_tvnorm encodernorm;
367 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
369 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
372 #define call_all(dev, o, f, args...) \
373 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
375 extern struct list_head cx23885_devlist;
377 #define SRAM_CH01 0 /* Video A */
378 #define SRAM_CH02 1 /* VBI A */
379 #define SRAM_CH03 2 /* Video B */
380 #define SRAM_CH04 3 /* Transport via B */
381 #define SRAM_CH05 4 /* VBI B */
382 #define SRAM_CH06 5 /* Video C */
383 #define SRAM_CH07 6 /* Transport via C */
384 #define SRAM_CH08 7 /* Audio Internal A */
385 #define SRAM_CH09 8 /* Audio Internal B */
386 #define SRAM_CH10 9 /* Audio External */
387 #define SRAM_CH11 10 /* COMB_3D_N */
388 #define SRAM_CH12 11 /* Comb 3D N1 */
389 #define SRAM_CH13 12 /* Comb 3D N2 */
390 #define SRAM_CH14 13 /* MOE Vid */
391 #define SRAM_CH15 14 /* MOE RSLT */
393 struct sram_channel {
407 /* ----------------------------------------------------------- */
409 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
410 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
412 #define cx_andor(reg, mask, value) \
413 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
414 ((value) & (mask)), dev->lmmio+((reg)>>2))
416 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
417 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
419 /* ----------------------------------------------------------- */
422 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
423 struct sram_channel *ch,
424 unsigned int bpl, u32 risc);
426 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
427 struct sram_channel *ch);
429 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
430 u32 reg, u32 mask, u32 value);
432 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
433 struct scatterlist *sglist,
434 unsigned int top_offset, unsigned int bottom_offset,
435 unsigned int bpl, unsigned int padding, unsigned int lines);
437 void cx23885_cancel_buffers(struct cx23885_tsport *port);
439 extern int cx23885_restart_queue(struct cx23885_tsport *port,
440 struct cx23885_dmaqueue *q);
442 extern void cx23885_wakeup(struct cx23885_tsport *port,
443 struct cx23885_dmaqueue *q, u32 count);
445 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
446 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
447 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
451 /* ----------------------------------------------------------- */
452 /* cx23885-cards.c */
453 extern struct cx23885_board cx23885_boards[];
454 extern const unsigned int cx23885_bcount;
456 extern struct cx23885_subid cx23885_subids[];
457 extern const unsigned int cx23885_idcount;
459 extern int cx23885_tuner_callback(void *priv, int component,
460 int command, int arg);
461 extern void cx23885_card_list(struct cx23885_dev *dev);
462 extern int cx23885_ir_init(struct cx23885_dev *dev);
463 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
464 extern void cx23885_card_setup(struct cx23885_dev *dev);
465 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
467 extern int cx23885_dvb_register(struct cx23885_tsport *port);
468 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
470 extern int cx23885_buf_prepare(struct videobuf_queue *q,
471 struct cx23885_tsport *port,
472 struct cx23885_buffer *buf,
473 enum v4l2_field field);
474 extern void cx23885_buf_queue(struct cx23885_tsport *port,
475 struct cx23885_buffer *buf);
476 extern void cx23885_free_buffer(struct videobuf_queue *q,
477 struct cx23885_buffer *buf);
479 /* ----------------------------------------------------------- */
480 /* cx23885-video.c */
482 extern int cx23885_video_register(struct cx23885_dev *dev);
483 extern void cx23885_video_unregister(struct cx23885_dev *dev);
484 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
486 /* ----------------------------------------------------------- */
488 extern int cx23885_vbi_fmt(struct file *file, void *priv,
489 struct v4l2_format *f);
490 extern void cx23885_vbi_timeout(unsigned long data);
491 extern struct videobuf_queue_ops cx23885_vbi_qops;
494 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
495 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
496 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
498 /* ----------------------------------------------------------- */
500 extern int cx23885_417_register(struct cx23885_dev *dev);
501 extern void cx23885_417_unregister(struct cx23885_dev *dev);
502 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
503 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
504 extern void cx23885_mc417_init(struct cx23885_dev *dev);
505 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
506 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
509 /* ----------------------------------------------------------- */
512 static inline unsigned int norm_maxw(v4l2_std_id norm)
514 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
517 static inline unsigned int norm_maxh(v4l2_std_id norm)
519 return (norm & V4L2_STD_625_50) ? 576 : 480;
522 static inline unsigned int norm_swidth(v4l2_std_id norm)
524 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;